Don't know how it's called in english. The main reasons that can be behind this are: stres, lack of sleep, cronic fatigue etc. Also something similar arises from consuming too much alcohol in some people.

Of course this is only what i think. It would be imposiible even for a real doctor to figure it out on the internet.

"As a biologist, I firmly believe that when you're dead, you're dead. Except for what you live behind in history. That's the only afterlife" - J. Craig Venter

"How far you go in life depends on your being tender with the young, compassionate with the aged, sympathetic with the striving and tolerant of the weak and strong. Because someday in life you will have been all of these".

I know an old Italian man who has them really bad.
He said the doctor said allergies. Most likely food allergies.

My husband gets them sometimes too, and he is latin.

"How far you go in life depends on your being tender with the young, compassionate with the aged, sympathetic with the striving and tolerant of the weak and strong. Because someday in life you will have been all of these".